:root {
  --bg: #0b0c1c;
  --panel: #14153a;
  --panel-2: #1c1d4a;
  --panel-3: #272862;
  --line: #34357a;
  --text: #eef0ff;
  --dim: #9da2d6;
  --blue: #5b9dff;
  --pink: #ff6f9c;
  --gold: #ffc94d;
  --green: #3ddc97;
  --violet: #8f86ff;
  --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; overflow: hidden; }
button { font: inherit; color: inherit; cursor: pointer; }
body { user-select: none; touch-action: none; background: radial-gradient(120% 90% at 50% 0%, #1a1450, #05050f 70%); }
/* The whole app lives in a phone-sized "device" that scales to fit the window, so it looks the
   same on every screen. On a real phone it simply fills the screen. Fixed-position overlays stay
   inside it because the device is transformed. */
#device { position: absolute; left: 0; top: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); transform-origin: 0 0; container-type: size; container-name: device; }
#device.framed { border-radius: 34px; box-shadow: 0 0 0 10px #15152e, 0 0 0 12px #2c2c5a, 0 30px 90px rgba(0,0,0,.7); }
.deskbar { position: fixed; right: 12px; bottom: 8px; z-index: 300; color: var(--dim); font-size: 12px; }
.deskbar .sel { margin-left: 6px; padding: 3px 8px; }
[hidden] { display: none !important; }

/* ---------- top bar ---------- */
.top { display: flex; align-items: center; gap: 12px; padding: 8px 12px; padding-top: max(8px, env(safe-area-inset-top)); background: linear-gradient(#17184a, #111235); border-bottom: 1px solid var(--line); flex: none; }
.brand { display: flex; align-items: center; gap: 8px; }
.brand b { display: block; font-size: 16px; letter-spacing: .3px; }
.brand small { display: block; font-size: 10px; color: var(--dim); margin-top: -2px; }
.tabs { display: flex; gap: 4px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 3px; }
.tab { border: 0; background: transparent; padding: 7px 14px; border-radius: 9px; color: var(--dim); font-weight: 650; }
.tab.active { background: var(--panel-3); color: #fff; box-shadow: inset 0 -2px 0 var(--pink); }
.top-right { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.pill .short { display: none; }
.pill { white-space: nowrap; flex: none; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 6px 13px; font-weight: 650; display: inline-flex; align-items: center; gap: 6px; }
.pill:hover { background: var(--panel-2); }
.pill.accent { border-color: #6b4c9e; background: #2a1d4f; color: #e2d4ff; }
.pill.accent2 { border-color: #2c6a4d; background: #12312a; color: #c9f5e0; }
.pill.rec i { width: 10px; height: 10px; border-radius: 50%; background: #ff4d6d; }
.pill.rec.on { background: #5a1426; border-color: #ff4d6d; animation: pulse 1.2s infinite; }
.status { color: #6b6f9e; font-size: 18px; }
.status.ok { color: var(--green); }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(255, 77, 109, .2); } }

/* ---------- stage ---------- */
.stage { flex: 1; min-height: 0; position: relative; }
.view { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 10px; gap: 10px; }
.bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; flex: none; }
.chip { border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 6px 12px; font-weight: 600; color: var(--dim); }
.chip.on { color: #fff; border-color: var(--violet); background: var(--panel-3); }
select.sel { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; font: inherit; }
.lbl { font-size: 11px; letter-spacing: .6px; text-transform: uppercase; color: var(--dim); font-weight: 700; }
.readout { font: 700 15px ui-monospace, Consolas, monospace; min-width: 44px; text-align: center; padding: 4px 8px; border-radius: 8px; background: #07081a; border: 1px solid var(--line); }
.grow { flex: 1; }

/* big sliders (bend, growl, slide...) */
.slider { position: relative; border-radius: 16px; background: linear-gradient(90deg, #191a48, #23245c 50%, #191a48); border: 1px solid var(--line); touch-action: none; }
.slider.h { height: 54px; }
.slider.v { width: 64px; }
.slider .knob { position: absolute; width: 46px; height: 46px; border-radius: 14px; background: linear-gradient(#fff, #c9cbff); box-shadow: 0 4px 14px rgba(0,0,0,.5); pointer-events: none; transition: box-shadow .1s; }
.slider.h .knob { top: 3px; transform: translateX(-50%); }
.slider.v .knob { left: 8px; transform: translateY(-50%); }
.slider.active .knob { box-shadow: 0 0 0 4px rgba(255,111,156,.45), 0 4px 14px rgba(0,0,0,.5); }
.slider .fill { position: absolute; border-radius: 15px; pointer-events: none; }
.slider.h .fill { top: 0; bottom: 0; }
.slider.v .fill { left: 0; right: 0; }
.slider .name { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font: 800 12px system-ui; letter-spacing: 1px; color: rgba(255,255,255,.45); pointer-events: none; }
.slider.v .name { left: 50%; top: 8px; transform: translateX(-50%); }
.slider .marks { position: absolute; inset: 0; pointer-events: none; }
.slider .marks i { position: absolute; top: 6px; bottom: 6px; width: 2px; background: rgba(255,255,255,.12); }
.slider .marks b { position: absolute; bottom: 2px; font: 700 10px system-ui; color: rgba(255,255,255,.5); transform: translateX(-50%); }

/* ---------- double-decker keyboard ---------- */
.deck { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 4px; }
.deck-head { display: flex; align-items: center; gap: 8px; }
.deck-head .name { font-weight: 750; }
.kb { position: relative; flex: 1; min-height: 60px; touch-action: none; }
.kb .w, .kb .b { position: absolute; top: 0; border-radius: 0 0 8px 8px; }
.kb .w { bottom: 0; background: linear-gradient(#f5f6ff, #dfe1f7); border: 1px solid #a9abd0; }
.kb .b { height: 60%; background: linear-gradient(#2a2c55, #0d0e24); border: 1px solid #000; z-index: 2; border-radius: 0 0 6px 6px; }
.kb .w.on { background: linear-gradient(#ffd7e5, #ff9ec0); }
.kb .b.on { background: linear-gradient(#ff6f9c, #a8305a); }
.kb.upper .w.on { background: linear-gradient(#d4e6ff, #8fbaff); }
.kb.upper .b.on { background: linear-gradient(#5b9dff, #2c5aa8); }
.kb .w span { position: absolute; bottom: 6px; left: 0; right: 0; text-align: center; font: 700 10px system-ui; color: #7a7ea8; }
.sliders-row { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 10px; align-items: center; flex: none; }
.bigbtn { border: 1px solid var(--line); background: var(--panel-2); border-radius: 14px; padding: 0 18px; height: 54px; font-weight: 800; letter-spacing: .6px; }
.bigbtn.on { background: #2a1d4f; border-color: var(--violet); color: #fff; box-shadow: 0 0 0 3px rgba(143,134,255,.3); }

/* ---------- horns ---------- */
.horn { flex: 1; min-height: 0; display: grid; grid-template-columns: 1.1fr 0.9fr 1.4fr; gap: 12px; }
.blow { position: relative; border-radius: 22px; border: 2px solid #6b4c9e; background: radial-gradient(120% 90% at 50% 100%, #3a2470, #1b1840); display: flex; align-items: center; justify-content: center; flex-direction: column; touch-action: none; overflow: hidden; }
.blow b { font: 900 22px system-ui; letter-spacing: 2px; z-index: 1; }
.blow small { color: var(--dim); z-index: 1; text-align: center; padding: 0 8px; }
.blow .air { position: absolute; left: 0; right: 0; bottom: 0; background: linear-gradient(0deg, rgba(255,111,156,.55), rgba(255,201,77,.25)); height: 0; transition: height .04s; }
.blow.on { border-color: var(--pink); }
.ladder { display: flex; flex-direction: column-reverse; gap: 4px; touch-action: none; }
.rung { flex: 1; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); display: flex; align-items: center; justify-content: space-between; padding: 0 12px; font-weight: 700; }
.rung small { color: var(--dim); font-weight: 600; }
.rung.on { background: #3a2470; border-color: var(--pink); }
.valves { display: flex; gap: 12px; align-items: stretch; flex: 1; }
.valve { flex: 1; border-radius: 22px 22px 40px 40px; border: 2px solid #7a6a3a; background: radial-gradient(70% 60% at 50% 35%, #f7e3a1, #b9913e 70%, #6b5420); color: #3a2c08; font: 900 26px system-ui; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 18px; touch-action: none; box-shadow: inset 0 -10px 18px rgba(0,0,0,.25); }
.valve.on { transform: translateY(6px); filter: brightness(1.15); box-shadow: inset 0 6px 14px rgba(0,0,0,.35); }
.horn-right { display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.note-big { font: 800 44px system-ui; text-align: center; line-height: 1; }
.note-big small { display: block; font-size: 12px; color: var(--dim); font-weight: 600; margin-top: 4px; }
.tromb-slide { flex: 1; position: relative; border-radius: 18px; border: 2px solid #7a6a3a; background: linear-gradient(#2c2412, #17130a); touch-action: none; overflow: hidden; }
.tromb-slide .tube { position: absolute; top: 38%; height: 24%; left: 2%; border-radius: 12px; background: linear-gradient(#f7e3a1, #b9913e 60%, #6b5420); box-shadow: 0 4px 10px rgba(0,0,0,.5); pointer-events: none; }
.tromb-slide .pos { position: absolute; top: 6px; bottom: 6px; width: 2px; background: rgba(255,201,77,.25); pointer-events: none; }
.tromb-slide .pos b { position: absolute; top: 0; left: 6px; font: 800 13px system-ui; color: var(--gold); }
.easy { display: flex; gap: 6px; flex-wrap: wrap; }
.easy button { flex: 1 0 64px; height: 64px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel-2); font: 800 18px system-ui; touch-action: none; }
.easy button.on { background: #3a2470; border-color: var(--pink); }

/* ---------- drums ---------- */
.kitbox { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.kit { position: relative; flex: none; touch-action: none; border-radius: 18px; border: 1px solid var(--line); overflow: hidden; background: #07060f; box-shadow: inset 0 0 60px rgba(0,0,0,.6); }
.kit-bg, .kit-fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.kit-bg { z-index: 0; }
.kit-fx { z-index: 3; }
.pad { position: absolute; z-index: 1; border-radius: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; text-align: center; font: 700 11px system-ui; touch-action: none; transition: transform .06s, filter .1s; box-shadow: 0 6px 14px rgba(0,0,0,.65); }
.pad span { position: relative; z-index: 2; pointer-events: none; padding: 2px; line-height: 1.05; }
.pad::before, .pad::after { content: ''; position: absolute; inset: 0; border-radius: 50%; pointer-events: none; }
/* drums seen from above: coated head, chrome hoop, tension lugs, the shell's wrap around the edge */
.pad.drum { color: #2a2c50; background: radial-gradient(circle at 42% 38%, #ffffff 0 22%, #ecebf4 45%, #d6d4e4 57%, #f4f5fa 58% 61%, #8f93ab 62% 64%, var(--wrap1) 65% 73%, var(--wrap2) 74%); }
.pad.drum::before { background: repeating-conic-gradient(#f1f2fa 0 4deg, transparent 4deg 36deg); -webkit-mask: radial-gradient(circle, transparent 0 60%, #000 61% 67%, transparent 68%); mask: radial-gradient(circle, transparent 0 60%, #000 61% 67%, transparent 68%); }
.pad.drum::after { background: radial-gradient(circle at 50% 50%, hsla(var(--hue), 90%, 65%, 0) 0 50%, hsla(var(--hue), 90%, 65%, .0) 51%); }
/* the kick shows its front head with a glowing port ring */
.pad.kick { color: #fff; background: radial-gradient(circle, #23214a 0 30%, #17163a 31% 46%, hsla(var(--hue), 85%, 60%, .9) 47% 50%, #17163a 51% 56%, #f4f5fa 57% 60%, #8f93ab 61% 63%, var(--wrap1) 64% 72%, var(--wrap2) 73%); }
.pad.kick::before { background: repeating-conic-gradient(#f1f2fa 0 3deg, transparent 3deg 30deg); -webkit-mask: radial-gradient(circle, transparent 0 59%, #000 60% 66%, transparent 67%); mask: radial-gradient(circle, transparent 0 59%, #000 60% 66%, transparent 67%); }
/* cymbals: spun bronze with lathe grooves and a raised bell */
.pad.cym, .pad.hat { color: #3a2a05; background: conic-gradient(from 25deg, #f8dc8e, #b8872a, #f3cf6f, #9a6f1e, #f8dc8e, #c69636, #fae49c, #a87b26, #f8dc8e); }
.pad.hat { filter: saturate(.85) brightness(.95); }
.pad.cym::before, .pad.hat::before { background: repeating-radial-gradient(circle, rgba(60,35,0,.16) 0 1px, transparent 1px 3px); }
.pad.cym::after, .pad.hat::after { background: radial-gradient(circle, #fbe6a6 0 9%, #c99a3c 13% 16%, transparent 17%); }
.pad.bell { color: #3a2a05; background: radial-gradient(circle at 38% 32%, #fff5cf, #e0b54c 45%, #8a6418); }
.pad.gong { color: #fff3d6; background: radial-gradient(circle, #f0c56a 0 14%, #8c5a17 15% 62%, #e7b357 63% 68%, #5f3c0c 69%); }
.pad.perc { color: #06231a; background: radial-gradient(circle at 40% 35%, #b6ffe0, #3ddc97 45%, #127050); }
.pad.drum span, .pad.cym span, .pad.hat span, .pad.bell span { text-shadow: 0 1px 0 rgba(255,255,255,.5); }
.pad.kick span, .pad.gong span { text-shadow: 0 1px 3px #000; }
.pad.hit { filter: brightness(1.35) saturate(1.3); }
.pad.drum.hit, .pad.kick.hit, .pad.perc.hit { transform: translate(-50%, -50%) scale(.93); }
.pad.cym.hit, .pad.hat.hit, .pad.gong.hit, .pad.bell.hit { animation: wobble .45s ease-out; }
@keyframes wobble { 0% { transform: translate(-50%, -50%) rotate(0) scale(.95); } 30% { transform: translate(-50%, -50%) rotate(4deg) scale(1.02); } 60% { transform: translate(-50%, -50%) rotate(-2deg); } 100% { transform: translate(-50%, -50%) rotate(0); } }
.kitinfo { color: var(--dim); font-size: 12px; max-width: 520px; }
/* ---------- strings ---------- */
.neck { flex: 1; min-height: 0; display: grid; grid-template-columns: 1fr 150px; gap: 10px; }
.fretboard { position: relative; border-radius: 10px; touch-action: none; overflow: hidden; border: 1px solid #2a1508;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,.05) 0 3px, transparent 3px 11px), linear-gradient(180deg, #3b2110, #4c2b14 30%, #3e2311 70%, #2f1a0b); box-shadow: inset 0 6px 14px rgba(0,0,0,.5), inset 0 -6px 14px rgba(0,0,0,.5); }
.fretboard .nut { position: absolute; left: 1.6%; top: 0; bottom: 0; width: 1.6%; background: linear-gradient(90deg, #e9e2cc, #fffbe9 50%, #cfc5a6); box-shadow: 2px 0 4px rgba(0,0,0,.5); pointer-events: none; }
.fretboard .fret { position: absolute; top: 0; bottom: 0; width: 4px; margin-left: -2px; background: linear-gradient(90deg, #7f828c, #f4f6fb 45%, #9da1ad); box-shadow: 1px 0 3px rgba(0,0,0,.5); pointer-events: none; }
.fretboard .dot { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff, #d9d3c2 60%, #a69c84); transform: translate(-50%, -50%); pointer-events: none; opacity: .9; }
.fretboard .fretnum { position: absolute; bottom: 2px; transform: translateX(-50%); font: 700 9px system-ui; color: rgba(255,230,190,.35); pointer-events: none; }
/* strings: plain steel for the trebles, wound for the basses; thickness follows the real gauge */
.str { position: absolute; left: 0; right: 0; border-radius: 3px; pointer-events: none; box-shadow: 0 3px 4px rgba(0,0,0,.55); transition: transform .08s; }
.str.nickel { background: linear-gradient(180deg, #8c9099, #f5f7fc 45%, #9ea3ad 70%, #5e626b); }
.str.bronze { background: linear-gradient(180deg, #8c9099, #f5f7fc 45%, #9ea3ad 70%, #5e626b); }
.str.nylon { background: linear-gradient(180deg, rgba(255,250,235,.55), rgba(255,255,250,.95) 45%, rgba(220,210,185,.7)); }
.str.wound { background-image: repeating-linear-gradient(100deg, rgba(0,0,0,.35) 0 1px, transparent 1px 2.6px), linear-gradient(180deg, #74777f, #e6e9f0 45%, #8b8f99 70%, #4c4f57); }
.str.bronze.wound { background-image: repeating-linear-gradient(100deg, rgba(60,30,0,.4) 0 1px, transparent 1px 2.6px), linear-gradient(180deg, #8a5a22, #f3cf8a 45%, #b07a35 70%, #5c3a12); }
.str.nylon.wound { background-image: repeating-linear-gradient(100deg, rgba(0,0,0,.3) 0 1px, transparent 1px 2.4px), linear-gradient(180deg, #7d8088, #eef0f5 45%, #9a9ea8 70%, #5a5d66); }
.str.vib { animation: vib .45s ease-out; }
@keyframes vib { 0% { transform: translateY(0); filter: blur(0); } 8% { transform: translateY(-2px); filter: blur(1.4px) brightness(1.4); } 16% { transform: translateY(2px); } 26% { transform: translateY(-1.4px); filter: blur(1px) brightness(1.25); } 40% { transform: translateY(1px); } 60% { transform: translateY(-.5px); filter: blur(.4px); } 100% { transform: translateY(0); filter: none; } }
.fretboard .finger { position: absolute; width: 24px; height: 24px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #ffb3cc, var(--pink) 60%, #b8305e); border: 2px solid #fff; transform: translate(-50%, -50%); pointer-events: none; box-shadow: 0 3px 8px rgba(0,0,0,.6); z-index: 2; }
.fretboard .mute-x { position: absolute; left: .4%; transform: translateY(-50%); font: 900 14px system-ui; color: #ff8fa8; pointer-events: none; }
.strum { position: relative; border-radius: 14px; touch-action: none; overflow: hidden; border: 1px solid #5a3a1c;
  background: radial-gradient(130% 90% at 30% 40%, #e0b77a, #c08a4a 45%, #8e5a26); box-shadow: inset 0 0 30px rgba(60,30,0,.5); }
[data-metal="nickel"] .strum { background: radial-gradient(130% 90% at 30% 40%, #3a3f52, #23263a 55%, #14162a); border-color: #3a3f60; }
.strum .soundhole { position: absolute; left: 50%; top: 50%; width: 120%; aspect-ratio: 1; transform: translate(-20%, -50%); border-radius: 50%; background: radial-gradient(circle, #120a03 0 52%, #e9d6a8 53% 55%, #4a2a10 56% 58%, transparent 59%); pointer-events: none; }
.strum .soundhole.pickup { width: 70%; aspect-ratio: auto; height: 26%; border-radius: 8px; transform: translate(-50%, -50%); background: repeating-linear-gradient(0deg, #1a1a1f 0 6px, #2d2d34 6px 8px); box-shadow: 0 0 0 3px #0c0c10, inset 0 0 8px #000; }
.strum b { position: absolute; bottom: 6px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.55); font-size: 10px; letter-spacing: 1px; pointer-events: none; }
.chords { display: flex; gap: 6px; flex-wrap: nowrap; }
#view-strings > .bar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
#view-strings > .bar > * { flex: none; }
.chords button { min-width: 46px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel-2); font-weight: 800; }
.chords button.on { border-color: var(--gold); background: #3a2c08; }
/* amp */
.amp { flex: none; display: flex; align-items: center; gap: 10px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding: 6px 12px; border-radius: 12px; border: 2px solid #3a3326;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 2px, transparent 2px 5px), linear-gradient(#1d1a14, #12100b); box-shadow: inset 0 0 0 3px #0b0a07; }
.amp-brand { font: 900 16px Georgia, serif; font-style: italic; color: #e9c77a; letter-spacing: 1px; margin-right: 4px; }
.amp-brand small { display: block; font: 600 9px system-ui; font-style: normal; color: #8f7a50; letter-spacing: 1.5px; text-transform: uppercase; }
.amp-power { display: flex; align-items: center; gap: 6px; border: 1px solid #5a4a2c; background: #241f16; color: #e9c77a; border-radius: 8px; padding: 6px 10px; font: 800 11px system-ui; letter-spacing: 1px; }
.amp-power i { width: 10px; height: 10px; border-radius: 50%; background: #3a1010; box-shadow: inset 0 0 2px #000; }
.amp-power.on i { background: #ff3b3b; box-shadow: 0 0 10px #ff3b3b; }
.amp-knob { display: flex; flex-direction: column; align-items: center; gap: 1px; min-width: 64px; flex: none; }
.amp-knob span { font: 800 10px system-ui; letter-spacing: 1px; text-transform: uppercase; color: #e9c77a; }
.amp-knob input { width: 70px; accent-color: #e9c77a; }
.amp-knob b { font: 700 11px ui-monospace, monospace; color: #c9b27a; }
.amp-presets { flex: none; }
.amp-presets .chip { padding: 4px 9px; font-size: 12px; }
.chip.amp-toggle.on { border-color: #e9c77a; color: #e9c77a; }
.valve.latched { outline: 3px solid var(--pink); outline-offset: -6px; }
/* controls mapping editor */
.map-row { display: flex; align-items: center; gap: 6px; padding: 4px 0; border-bottom: 1px dashed var(--line); flex-wrap: wrap; }
.map-label { flex: 1 1 160px; }
.map-chips { display: flex; gap: 4px; flex-wrap: wrap; }
.map-chips code { border-radius: 6px; padding: 1px 6px; font-size: 12px; }
.map-key { background: #2a2c6a; color: #dfe3ff; }
.map-midi { background: #3a2470; color: #ffd3e5; }
.mini-btn { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 3px 8px; font-size: 12px; }
/* ---------- side panel (teacher, cowriter) ---------- */
.panel { position: fixed; top: 0; right: 0; bottom: 0; width: min(460px, 100%); background: var(--panel); border-left: 1px solid var(--line); z-index: 50; display: flex; flex-direction: column; box-shadow: -20px 0 40px rgba(0,0,0,.5); user-select: text; touch-action: auto; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.panel-head h2 { margin: 0; font-size: 17px; }
.x { border: 0; background: transparent; font-size: 18px; color: var(--dim); }
.panel-body { flex: 1; overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 12px; }
.box { background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.box h3 { margin: 0 0 6px; font-size: 14px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn { border: 1px solid var(--line); background: var(--panel-3); border-radius: 10px; padding: 8px 14px; font-weight: 700; }
.btn.primary { background: linear-gradient(135deg, var(--pink), #ff9a6b); border: 0; color: #fff; }
.btn.go { background: linear-gradient(135deg, var(--green), var(--blue)); border: 0; color: #06111a; }
.levelbar { height: 8px; border-radius: 4px; background: #0b0c1c; overflow: hidden; }
.levelbar i { display: block; height: 100%; background: linear-gradient(90deg, var(--green), var(--blue)); }
.feedback li { margin: 4px 0; }
.lane { position: relative; height: 120px; background: #07081a; border-radius: 10px; border: 1px solid var(--line); overflow: hidden; }
.lane .tn { position: absolute; height: 10px; border-radius: 5px; background: var(--blue); opacity: .8; }
.lane .pn { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--pink); transform: translate(-50%, -50%); }
.lane .now { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--gold); }
.sec { display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.sec b { min-width: 74px; }
.sec code { background: #07081a; border-radius: 6px; padding: 1px 6px; color: var(--gold); }
.hit-card { border-left: 3px solid var(--violet); padding-left: 10px; margin: 6px 0; }
.hit-card small { color: var(--dim); }
input.txt { flex: 1; min-width: 0; background: #07081a; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font: inherit; }

/* ---------- overlays ---------- */
.overlay { position: fixed; inset: 0; z-index: 100; background: rgba(5, 5, 18, .78); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; padding: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 24px; max-width: 520px; text-align: center; box-shadow: 0 30px 80px rgba(0,0,0,.6); }
.card h1 { margin: 8px 0; font-size: 30px; }
.big { border: 0; border-radius: 16px; padding: 14px 26px; font: 800 17px system-ui; color: #fff; background: linear-gradient(135deg, var(--pink), #ff9a6b); margin-top: 8px; }
.hint { color: var(--dim); font-size: 12px; }
.guide-card { max-width: 820px; display: grid; grid-template-columns: 300px 1fr; gap: 18px; text-align: left; align-items: center; }
.guide-art svg { width: 100%; height: auto; }
.guide-text h2 { margin: 0 0 8px; }
.guide-text li { margin: 6px 0; }
.real { color: #c9f5e0; background: #12312a; border-radius: 10px; padding: 8px 10px; font-size: 13px; }
.toasts { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 6px; z-index: 200; pointer-events: none; }
.toast { background: #24255a; border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; box-shadow: 0 10px 30px rgba(0,0,0,.5); }

@container device (max-width: 760px) {
  .pill .long { display: none; }
  .pill .short { display: inline; }
  .tabs .tab { padding: 6px 8px; }
  .top-right { gap: 4px; }
}
@container device (max-width: 760px) or (max-height: 480px) {
  .brand div { display: none; }
  .top { gap: 6px; padding: 6px 8px; }
  .tab { padding: 6px 9px; }
  .pill { padding: 5px 9px; }
  .horn { grid-template-columns: 1fr 0.8fr 1.3fr; gap: 8px; }
  .guide-card { grid-template-columns: 1fr; }
  .guide-art { max-width: 240px; margin: 0 auto; }
  .neck { grid-template-columns: 1fr 110px; }
}
@container device (max-height: 480px) {
  .kitinfo { display: none; }
  #view-drums .bar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  #view-drums .chip { flex: none; padding: 4px 10px; }
  .view { padding: 6px; gap: 6px; }
}